An object that weighs 10 lb on earth would weigh only 4 lb on mars if you weigh 95 lb on earth how much would you weigh on mars

Hi!

We will solve this using proportions, like this:

10 lb on Earth is 4 lb on Mars

95 lb on Earth is x lb on Mars

x = (95*4)/10

x = 380/10

x = 38

If you weigh 95 lb on earth, you would weigh 38 lb on Mars.

Hope this helps!

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: